/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.core.features.registries;

import java.util.ArrayList;
import java.util.List;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;

import appeng.api.AEApi;
import appeng.api.features.ILocatable;
import appeng.api.features.IWirelessTermHandler;
import appeng.api.features.IWirelessTermRegistry;
import appeng.core.localization.PlayerMessages;
import appeng.core.sync.GuiBridge;
import appeng.util.Platform;

public final class WirelessRegistry implements IWirelessTermRegistry {

    private final List<IWirelessTermHandler> handlers;

    public WirelessRegistry() {
        this.handlers = new ArrayList<>();
    }

    @Override
    public void registerWirelessHandler(final IWirelessTermHandler handler) {
        if (handler != null) {
            this.handlers.add(handler);
        }
    }

    @Override
    public boolean isWirelessTerminal(final ItemStack is) {
        for (final IWirelessTermHandler h : this.handlers) {
            if (h.canHandle(is)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public IWirelessTermHandler getWirelessTerminalHandler(final ItemStack is) {
        for (final IWirelessTermHandler h : this.handlers) {
            if (h.canHandle(is)) {
                return h;
            }
        }
        return null;
    }

    @Override
    public void openWirelessTerminalGui(final ItemStack item, final World w, final EntityPlayer player) {
        if (Platform.isClient()) {
            return;
        }

        if (!this.isWirelessTerminal(item)) {
            player.addChatMessage(PlayerMessages.DeviceNotWirelessTerminal.get());
            return;
        }

        final IWirelessTermHandler handler = this.getWirelessTerminalHandler(item);
        final String unparsedKey = handler.getEncryptionKey(item);
        if (unparsedKey.isEmpty()) {
            player.addChatMessage(PlayerMessages.DeviceNotLinked.get());
            return;
        }

        final long parsedKey = Long.parseLong(unparsedKey);
        final ILocatable securityStation = AEApi.instance().registries().locatable().getLocatableBy(parsedKey);
        if (securityStation == null) {
            player.addChatMessage(PlayerMessages.StationCanNotBeLocated.get());
            return;
        }

        if (handler.hasPower(player, 0.5, item)) {
            Platform.openGUI(player, null, null, GuiBridge.GUI_WIRELESS_TERM);
        } else {
            player.addChatMessage(PlayerMessages.DeviceNotPowered.get());
        }
    }
}
